move PyResultExt seal

src/py_result_ext.rs

@@ -1,16 +1,6 @@
 use crate::{types::any::PyAnyMethods, Bound, PyAny, PyResult, PyTypeCheck};
 
-mod sealed {
-    use super::*;
-
-    pub trait Sealed {}
-
-    impl Sealed for PyResult<Bound<'_, PyAny>> {}
-}
-
-use sealed::Sealed;
-
-pub(crate) trait PyResultExt<'py>: Sealed {
+pub(crate) trait PyResultExt<'py>: crate::sealed::Sealed {
     fn downcast_into<T: PyTypeCheck>(self) -> PyResult<Bound<'py, T>>;
     unsafe fn downcast_into_unchecked<T>(self) -> PyResult<Bound<'py, T>>;
 }

src/sealed.rs

@@ -2,13 +2,16 @@ use crate::types::{
     PyBool, PyByteArray, PyBytes, PyCapsule, PyComplex, PyDict, PyFloat, PyFrozenSet, PyList,
     PyMapping, PyModule, PySequence, PySet, PySlice, PyString, PyTraceback, PyTuple, PyType,
 };
-use crate::{ffi, Bound, PyAny};
+use crate::{ffi, Bound, PyAny, PyResult};
 
 pub trait Sealed {}
 
 // for FfiPtrExt
 impl Sealed for *mut ffi::PyObject {}
 
+// for PyResultExt
+impl Sealed for PyResult<Bound<'_, PyAny>> {}
+
 // for Py(...)Methods
 impl Sealed for Bound<'_, PyAny> {}
 impl Sealed for Bound<'_, PyBool> {}